上游原料
methyl 2-bromoacetate; methyl bromoacetate4-benzylpiperidine5-Cyanoindole; Indole-5-carbonitrile; 1H-Indole-5-carbonitrilemethyl 2-(5-cyano-1H-indol-1-yl)acetate2-(5-cyano-1H-indol-1-yl)acetic acid1-[2-(4-benzyl-1-piperidinyl)-2-oxoethyl]-1H-indole-5-carbonitrilemethyl 1-[2-(4-benzyl-1-piperidinyl)-2-oxoethyl]-1H-indole-5-carboximidoate
